March 01, 11:34pm EST
Cloud Providers SendGrid
Mar-1, 11:59pm EST
Our engineers have identified the issue and are working towards mitigation. We will provide another update in 1 hour or as soon as more information becomes available.
Mar-2, 12:54am EST
Certificate rollback has been completed for SMTP and API. We are still monitoring performance to make sure that the issue has been fully resolved.